Implement int32 TypeRecordingBinaryOp on ARM.

src/arm/assembler-arm.h

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // All Rights Reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions
 // are met:
 //
 // - Redistributions of source code must retain the above copyright notice,
 // this list of conditions and the following disclaimer.
 //
@@ skipping 266 matching lines @@
 const SwVfpRegister s23 = { 23 };
 const SwVfpRegister s24 = { 24 };
 const SwVfpRegister s25 = { 25 };
 const SwVfpRegister s26 = { 26 };
 const SwVfpRegister s27 = { 27 };
 const SwVfpRegister s28 = { 28 };
 const SwVfpRegister s29 = { 29 };
 const SwVfpRegister s30 = { 30 };
 const SwVfpRegister s31 = { 31 };
 
+const DwVfpRegister no_dreg = { -1 };
 const DwVfpRegister d0  = {  0 };
 const DwVfpRegister d1  = {  1 };
 const DwVfpRegister d2  = {  2 };
 const DwVfpRegister d3  = {  3 };
 const DwVfpRegister d4  = {  4 };
 const DwVfpRegister d5  = {  5 };
 const DwVfpRegister d6  = {  6 };
 const DwVfpRegister d7  = {  7 };
 const DwVfpRegister d8  = {  8 };
 const DwVfpRegister d9  = {  9 };
@@ skipping 987 matching lines @@
  public:
   explicit EnsureSpace(Assembler* assembler) {
     assembler->CheckBuffer();
   }
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_ARM_ASSEMBLER_ARM_H_